Holdback.



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HOLDBACK.

SPECIFICATION forming part or" Letters Patent No. 696,527, dated April 1, 1902. Application filed December 9, 1901. Serial No. 85,190. (No model.)

vprovide a simple and practically-operating holdback for Vehicles that may be readily attached to the shafts thereof and will possess both strength and durability; and it consists in a holdback constructed substantially as shown in the drawings and hereinafter described and claimed.

Figure l of the drawings is a perspective View of a holdback constructed in accordance with my invention and showing a portion of the holdback-strap in dotted lines; Fig. 2, a sectional view taken on line 2 2 of Fig. 1; Fig. 3, a detail view in perspective of the lockinglever; Fig. 4, a similar View ofthe holdbackstrap, formed of a double thickness of leather and without the usual ring or loop to engage with` the holdback.

In theaccompanyingdrawings,Arepresents the usual rectangular metal plate, provided with suitable holes ce for attaching the plate to the vehicle-shaft by means of screws or other like fastenings. This plate is cast or otherwise provided with the usual hook Bfor engaging therewith the end of the holdbackstrap C, as indicated in Fig. 4 of the drawings, which strap may be made of double or of single thickness, as found most preferable, and provided at its end with an opening?) in place of the usual metal ring or loop. The plate A has outwardly-projecting ears c, to which is pivoted the locking-lever D, which bears against the hook B, as shown in Fig. l of the drawings, which locks the holdbackstrap in engagement with the hook B. The

pivot-pin d is a stationary pivot, upon which Works the locking-lever D, said lever being held in engagement with the hook B by a flat or coiled spring E. The spring E is coiled around the pivot-pin CZ and has its ends engaging the grooved guides g z, respectively, the guide g being formed on the plate A, and the guide 7L is formed on the locking-lever D.

The spring E, which is located on the stationary pivot-pin CZ and between the eyes t' of the locking-lever D, contracts and expands when the lever is operated, and this action of the spring will cause the ends thereof to play or slide back and forth in the grooves oi' the guides g 7L. The grooved guides will permit of this action ofthe ends of thespring and at the same timehold them against lateral motion, the grooves of the guides acting as seats as well as guides and perform the double function of acting as seats and also as guides to hold the ends of the springagainst lateral or sidewise motion, but allow a play lengthwise of the ends of the spring as said spring contracts and expands. Y

Having now fully described my invention, what I claim as new, and desire to secure by Letters Patent, is-

A holdback comprising a suitable baseplate having outwardly-projecting lugs or ears and asuitable hook, a locking-lever, a stationary pivot-pin connecting the lockinglever to and between the ears, grooved guides upon the plate and locking-lever respectively, a suitable spring having its projecting ends engaging the grooved guides whereby said ends are guided in their play in said grooves when the spring contracts and expands and retained against lateral motion, said spring engaging the pivot-pin, substantially as and for the purpose set forth.

In testimony that I claim the aboveI have hereunto subscribed lny name in the presence of two witnesses.

Y RANDALL W. WALKER. Vitnesses:

BERT D. RILEY,

DANIEL WALKER. 

